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// [config]
// expect_result: pass
// glsl_version: 1.10
//
// [end config]
/*
* GStreamer
* Copyright (C) 2007 David A. Schleef <ds@schleef.org>
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#extension GL_ARB_texture_rectangle : enable
uniform sampler2DRect tex;
void main(void) {
float fx,fy,r,g,b,r2,g2,b2,y1,y2,u,v;
fx = gl_TexCoord[0].x;
fy = gl_TexCoord[0].y;
r=texture2DRect(tex,vec2(fx*2.0,fy)).r;
g=texture2DRect(tex,vec2(fx*2.0,fy)).g;
b=texture2DRect(tex,vec2(fx*2.0,fy)).b;
r2=texture2DRect(tex,vec2(fx*2.0+1.0,fy)).r;
g2=texture2DRect(tex,vec2(fx*2.0+1.0,fy)).g;
b2=texture2DRect(tex,vec2(fx*2.0+1.0,fy)).b;
y1=0.299011*r + 0.586987*g + 0.114001*b;
y2=0.299011*r2 + 0.586987*g2 + 0.114001*b2;
u=-0.148246*r -0.29102*g + 0.439266*b;
v=0.439271*r - 0.367833*g - 0.071438*b ;
y1=0.858885*y1 + 0.0625;
y2=0.858885*y2 + 0.0625;
u=u + 0.5;
v=v + 0.5;
/* "%s" replaced with "y2,u,y1,v" in conversion to piglit (yuy2 version) */
gl_FragColor=vec4(y2,u,y1,v);
}
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